Paytronix Systems, Inc., a provider of reward program solutions to restaurants and retailers, will triple its headquarters after the company agreed to relocate its corporate offices to 80 Bridge St. in Newton, MA.

The company has rapidly expanded in the past year, adding thousands of restaurants leading to a 20-percent increase in staff and ultimately the need for larger space. Current clients include Panera Bread, Bloomin’ Brands, Denny’s, California…